/*
 * Copyright © 2015-2019 Cask Data, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

package io.cdap.plugin;

import com.google.common.base.Strings;

/**
* Enum to denote case of Structured Record field.
*/
public enum FieldCase {
  LOWER,
  UPPER,
  NONE;

  public static FieldCase toFieldCase(String fieldCase) {
    if (Strings.isNullOrEmpty(fieldCase)) {
      return FieldCase.NONE;
    }

    try {
      return FieldCase.valueOf(fieldCase.toUpperCase());
    } catch (IllegalArgumentException e) {
      return FieldCase.NONE;
    }
  }
}
